DISCUSSION
In this unit, the classical experimental design and alternative approaches were introduced, and each approach's differing components were discussed at length. Which of these approaches do you think is most sound in terms of guaranteeing the integrity of internal validity? Do you think that your preferred approach would be useful for ensuring internal validity in all particular circumstances? Why, or why not?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.